JPS5822597B1 - - Google Patents
Info
- Publication number
- JPS5822597B1 JPS5822597B1 JP47035265A JP3526572A JPS5822597B1 JP S5822597 B1 JPS5822597 B1 JP S5822597B1 JP 47035265 A JP47035265 A JP 47035265A JP 3526572 A JP3526572 A JP 3526572A JP S5822597 B1 JPS5822597 B1 JP S5822597B1
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites
Landscapes
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13290871A | 1971-04-09 | 1971-04-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5822597B1 true JPS5822597B1 (OSRAM) | 1983-05-10 |
Family
ID=22456120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47035265A Granted JPS5822597B1 (OSRAM) | 1971-04-09 | 1972-04-10 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5822597B1 (OSRAM) |
| DE (1) | DE2215739C2 (OSRAM) |
| FR (1) | FR2136259A5 (OSRAM) |
| GB (1) | GB1366252A (OSRAM) |
| PH (1) | PH13234A (OSRAM) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004106624A1 (en) * | 2003-06-03 | 2004-12-09 | Pacific Pulp Resources Inc. | Method for producing pulp and lignin |
| RU2383675C1 (ru) * | 2005-12-07 | 2010-03-10 | Келли Энтони О`ФЛИНН | Осуществляемый в каталитическом реакторе процесс производства промышленной целлюлозной массы, нативного лигнина и одноклеточного белка |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3461028A (en) * | 1968-02-01 | 1969-08-12 | Alscope Ltd | Process for making pulp by impregnating cellulosic materials with ammonium hydroxide and nitric acid |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE681149C (de) * | 1936-04-24 | 1939-09-18 | I G Farbenindustrie Akt Ges | Verfahren zur Gewinnung von Zellstoff |
-
1972
- 1972-03-30 DE DE19722215739 patent/DE2215739C2/de not_active Expired
- 1972-04-05 GB GB1578072A patent/GB1366252A/en not_active Expired
- 1972-04-07 FR FR7212285A patent/FR2136259A5/fr not_active Expired
- 1972-04-07 PH PH13421A patent/PH13234A/en unknown
- 1972-04-10 JP JP47035265A patent/JPS5822597B1/ja active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3461028A (en) * | 1968-02-01 | 1969-08-12 | Alscope Ltd | Process for making pulp by impregnating cellulosic materials with ammonium hydroxide and nitric acid |
Also Published As
| Publication number | Publication date |
|---|---|
| PH13234A (en) | 1980-02-14 |
| FR2136259A5 (OSRAM) | 1972-12-22 |
| DE2215739C2 (de) | 1985-05-15 |
| DE2215739A1 (de) | 1972-10-26 |
| GB1366252A (en) | 1974-09-11 |